#!/usr/bin/python
from pylab import *

t = arange(0, pi, 0.1)
t2 = arange(0, pi, 0.3)
plot(t, t, 'r--', t, t**3, 'g^')

plot(t, 20*sin(t), 'bo', t, 20*sin(t), 'b')
plot(t2, exp(t2), 'ys', t,exp(t), 'y')

show()

